Home / 11,789.88-16,270.05-6,484.80

Finding the Fourth Proportional to 11,789.88, 16,270.05 and 6,484.80

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Solution

The fourth proportional to 11,789.88, 16,270.05 and 6,484.80 is: 8,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.88 : 16,270.05 = 6,484.80 : x
  2. Step 2: Convert to fraction form
    11,789.88/16,270.05 = 6,484.80/x
  3. Step 3: Cross multiply
    11,789.88x = 16,270.05 × 6,484.80
  4. Step 4: Simplify right side
    11,789.88x = 105,508,020.24
  5. Step 5: Solve for x
    x = 105,508,020.24/11,789.88
  6. Step 6: Final answer
    x = 8,949.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.